Snakes Search Results   Genus Species Common Names Region 1 Deinagkistrodon acutus Sharp-nosed Pit Viper , Hundred-pacer , Hundred-Pace Pit Viper , Chinese Moccasin Southeast Asia + North Asia     Common Names: Family: Not selected Acrochordidae Atractaspididae Boidae Colubridae Elapidae Elapidae ( Hydrophiinae ) Hydrophiidae Viperidae Genus: Not selected Acalyptophis Acanthophis Achalinus Acrantophis Acrochordus Adelophis Adelphicos Adenorhinos Aeluroglena Afronatrix Agkistrodon Ahaetulla Aipysurus Alluaudina Alsophis Amastridium Amblyodipsas Amphiesma Amphiesmoides Amplorhinus Anoplohydrus Antairoserpens Antaresia Antillophis Aparallactus Aplopeltura Apodora Apostolepis Argyrogena Arizona Arrhyton Aspidelaps Aspidites Aspidomorphus Aspidura Asthenodipsas Astrotia Atheris Atractaspis Atractus Atretium Atropoides Austrelaps Azemiops Balanophis Bitia Bitis Blythia Boa Bogertophis Boiga Boiruna Bothriechis Bothriopsis Bothrochilus Bothrocophias Bothrolycus Bothrophthalmus Bothrops Boulengerina Brachyophis Brachyorrhos Brachyurophis Brygophis Buhoma Bungarus Cacophis Calabaria Calamaria Calamodontophis Calamorhabdium Calliophis Calloselasma Candoia Cantoria Carphophis Causus Cemophora Cerastes Cerberus Cercaspis Cercophis Cerrophidion Chamaelycus Chapinophis Charina Chersodromus Chilomeniscus Chilorhinophis Chionactis Chironius Chrysopelea Clelia Clonophis Collorhabdium Coluber Compsophis Coniophanes Conophis Conopsis Contia Corallus Coronella Crisantophis Crotalus Crotaphopeltis Cryophis Cryptophidion Cryptophis Cyclocorus Cyclophiops Daboia Darlingtonia Dasypeltis Deinagkistrodon Demansia Dendrelaphis Dendroaspis Dendrolycus Dendrophidion Denisonia Diadophis Diaphorolepis Dinodon Dipsadoboa Dipsas Dipsina Dispholidus Disteira Ditaxodon Ditypophis Dolichophis Drepanoides Dromicodryas Dromophis Dryadophis Drymarchon Drymobius Drymoluber Dryocalamus Dryophiops Drysdalia Duberria Echinanthera Echiopsis Echis Eirenis Elachistodon Elaphe Elapognathus Elapoidis Elapomorphus Elapotinus Elapsoidea Emmochliophis Emydocephalus Enhydrina Enhydris Enuliophis Enulius Ephalophis Epicrates Eridiphas Eristocophis Erpeton Erythrolamprus Eryx Etheridgeum Eunectes Exallodontophis Farancia Ficimia Fimbrios Fordonia Furina Gastropyxis Geagras Geodipsas Geophis Gerarda Gloydius Gomesophis Gongylophis Gongylosoma Gonionotophis Gonyophis Gonyosoma Grayia Gyalopion Haplocercus Hapsidophrys Helicops Helophis Hemachatus Hemerophis Hemiaspis Hemibungarus Hemirhagerrhis Hemorrhois Heterodon Heteroliodon Heurnia Hierophis Hologerrhum Homalopsis Homoroselaps Hoplocephalus Hormonotus Hydrablabes Hydraethiops Hydrelaps Hydrodynastes Hydromorphus Hydrophis Hydrops Hypnale Hypoptophis Hypsiglena Hypsirhynchus Ialtris Iguanognathus Imantodes Ithycyphus Kerilia Kolpophis Lachesis Lampropeltis Lamprophis Langaha Lapemis Laticauda Leioheterodon Leiopython Leptodeira Leptodrymus Leptomicrurus Leptophis Lepturophis Liasis Limnophis Liochlorophis Lioheterophis Liopeltis Liophidium Liophis Liopholidophis Loveridgelaps Lycodon Lycodonomorphus Lycodryas Lycognathophis Lycophidion Lystrophis Lytorhynchus Macrelaps Macrocalamus Macropisthodon Macroprotodon Macrovipera Madagascarophis Malpolon Manolepis Masticophis Mastigodryas Maticora Mehelya Meizodon Micrelaps Micropechis Micropisthodon Micruroides Micrurus Mimophis Montaspis Montatheris Morelia Myersophis Myron Naja Natriciteres Natrix Neelaps Nerodia Ninia Notechis Nothopsis Ogmodon Oligodon Omoadiphas Opheodrys Ophiophagus Ophryacus Opisthotropis Oreocalamus Ovophis Oxybelis Oxyrhabdium Oxyrhopus Oxyuranus Parahelicops Parahydrophis Paranaja Parapistocalamas Pararhabdophis Pararhadinaea Parasuta Pareas Paroplocephalus Pelamis Phalotris Philodryas Philothamnus Phimophis Phyllorhynchus Pituophis Plagiopholis Platyceps Pliocercus Poecilopholis Polemon Popeia Porthidium Proatheris Prosymna Protobothrops Psammodynastes Psammophis Psammophylax Pseudablabes Pseudaspis Pseudechis Pseudoboa Pseudoboodon Pseudocerastes Pseudocyclophis Pseudoeryx Pseudoficimia Pseudohaje Pseudoleptodeira Pseudonaja Pseudorabdion Pseudotomodon Pseudoxenodon Pseudoxyrhopus Pseustes Psomophis Ptyas Ptychophis Python Pythonodipsas Rabdion Rachidelus Regina Rhabdophis Rhabdops Rhadinaea Rhadinophanes Rhamnophis Rhamphiophis Rhinobothryum Rhinocheilus Rhinoplocephalus Rhynchocalamus Rhynchophis Salomonelaps Salvadora Sanzinia Saphenophis Scaphiodontophis Scaphiophis Scolecophis Seminatrix Senticolis Sibon Sibynomorphus Sibynophis Simophis Simoselaps Sinonatrix Siphlophis Sistrurus Sonora Sordellina Spalerosophis Spilotes Stegonotus Stenophis Stenorrhina Stilosoma Stoliczkaia Storeria Suta Symphimus Sympholis Synophis Tachymenis Taeniophallus Tantalophis Tantilla Tantillita Telescopus Tetralepis Thalassophina Thalassophis Thamnodynastes Thamnophis Thelotornis Thermophis Thrasops Toluca Tomodon Toxicocalamus Toxicodryas Trachischium Tretanorhinus Triceratolepidophis Trimeresurus Trimetopon Trimorphodon Tropidechis Tropidoclonion Tropidodipsas Tropidodryas Tropidolaemus Tropidonophis Umbrivaga Uromacer Uromacerina Urotheca Vermicella Vipera Virginia Waglerophis Walterinnesia Xenelaphis Xenocalamus Xenochrophis Xenodermus Xenodon Xenophidion Xenopholis Xenoxybelis Xylophis Zhaoermia Species: Not selected abacura abstrusa abyssinicus acanthias acanthognathus acrochorda acuminata acuticeps acutirostre acutirostris acutus adamanteus adleri aegyptia aegyptius aemula aemulans aeneus aenigmaticus aequifasciata aesculapii aestivus aethiopissa affinis africana agassizii agyrtes ahaetulla ainictum albanica albertisii albiceps albicinctus albicollaris albicornuta albifrons albignaci albiventer albiventris albizona albocinctus albofuscus albolabris albomaculata albomaculatum albonuchalis albopunctatus albuquerquei albus alcalai alcatraz algirus alidae alleni alleni alluaudi almadensis almae alpestris alphonsehogei alterna alternans alternatus alticola altirostris alvarezi amarali ambigua ambinigra ambreensis amethistina ammodites ammodytes ammodytoides amoena amoenus amphisticha anachoreta analabe anatolica anchietae ancoralis ancorus andamanensis andersoni andersonii andianus andinista andinus andreae andreanus andresensis angeli angolensis angulata angulatus angulifer angusticeps angustilineatus ankafinaensis annamense annamensis annandalei annellatus annularis annulata annulatus annulifer annulifera anocularis anomalus anoscopus ansorgii antarcticus anthonyi anthracops antiguae antillensis antioquiensis apperti approximans apraefrontalis apraeocularis apurimacensis aquilus arabicus arafurae arangoi arctifasciatus arenarius argenteus argus arietans armata arnaldoi arnensis articulata asper aspera asperrimus aspis assimilis atahuallpae atayevi atemporale ater aterrima atra atrata atratus atraventer atriceps atrocinctus atropos atrox attenuata attenuatus aulicus auratus auriculata aurifer aurigulus aurolineatus aurora aurula australis austriaca averyi badius baileyi bairdi bakeri baliocoryphus baliodeirus balteatus balzani bambusicola baramensis barani barati barbouri barnardi barnesii barnetti baroni barotseensis barroni barthii basiliscus batesii batjanensis battersbyi beddomei beetzi belcheri bella bellula bellus bellyi bengkuluensis beniensis bennettii bequaerti bernadi bernieri bertholdi berus betaniensis betsileanus bholanathi bibonius bibroni bibronii bicarinatus bicinctus bicolor bicoloratus bifossatus bifoveatus bifrenalis bilineata bilineatus bimaculata bimaculatus bipunctatus biscutatus biserialis biseriatus bistrigatus bitaeniatum bitorquatus bitorques bituberculatus bivirgata bivittata bivittatus bizona blakewayi blanchardi blanci blandingii blomhoffi blomhoffii boa bocki bocourti boddaerti boehmei boeleni boesemani boettgeri bogerti bogertorum boipiranga booliati boonsongi borneensis bornmuelleri borrii boschmai boshelli bosniensis ( or berus bosniensis ) bottae boulengeri boulengerii bourreti boursieri bovallii brachycephalus brachyorrhos brachystoma brachyura braestrupi brasiliensis brazili bredli breitensteini brevicauda breviceps brevifacies brevirostris brevis brevissima briggsi broadleyi brongersmai brookii browni bruesi brunneus brussauxi buccata buchi buergersi bulgardaghica bungaroides buniana butleri caerulescens caeruleus caesar caesurus calamaria calamarina calamitus callichroma calligaster calligastra callilaemum calodera calonotus cameronensis camilae campbelli cana cancellatus candidus canedii caninus cantherigerus cantori cantoris canula canum capense capensis capistrata capucinus capuroni carajasensis cardamomensis caribbaeus carinata carinatus carinicaudus carinosus carleti carpenteri carri carrioni cascadae caspius catalinensis catamayensis catenatus catenifer catesbyi caudalis caudolineatus caudolineolata caudomaculatus caxiuana cearensis ceii celata celebicum cenchoa cenchria cephalomaculata cephalostriata ceramensis cerasogaster cerastes ceratophora cervinus ceylonensis ceylonicus chabaudi chalybeus chamissonis championi chanardi chapaensis chaparensis chaquensis charitoae chaseni chelazziorum childreni chilensis chimanta chinensis chloroechis chloroticus christyi chrysargoides chrysargos chrysocephalus chrysogaster chrysoprateros chui churchilli cinereus cinnamomeus circinalis ( = psyches circinalis ) citrinus clarki clarkii clastolepis clathratus clelia cliftoni climacophora coalescens cobella coccinea coggeri collaris colletti colombianus coloratus colubrina colubrinus compressus concelarum concolor condanarus congica conica conicus conspicillata conspicillatus constrictor contortrix cookii copei corais corallinus cordata cornuta cornutus corocoroensis coronadoi coronata coronatus coronella coronelloides coronoides corpulenta cotiara couchii coulangesi couperi craspedogaster crassa crassicaudatus crockeri cropanii crossi crucifer cruentatus cucullata cucullatus cuesta cuneata cuniculator cupreus cursor curta curtus cuyanus cyanea cyanochloris cyanocinctus cyanopleura cyclopion cyclurus cynodon cypriensis cyrtopsis czeblukovi dahlii dahomeyensis damelii damiani danieli daovantieni darevskii darienensis darwiniensis daryi davidhardi davidi davisonii decemlineata decipiens decorata decoratus decurtatus defilippii degenhardtii degeni dekayi delacouri dendrophila dendrophiops dendrophis deppei depressiceps depressiocellus depressirostre depressirostris deraniyagalae dermali desaixi deschauenseei deserti deserticola devisi dhara dhumnades diadema diademata diana diastema dichrous diehli dightoni dilepis dimidiata dimidiatus dinniki dione diplotropis dipsas discolor dispar dissoleucus distans doederleini dolasii doliatus dolichospilus dolichura dolicocercus dorbignyi doriae dorri dorsalis dorsatus downsi drapiezii dromiciformis drummondhayi dubius duboisii duchesnii duellmani duerdeni dugesii duida duidensis dumerili dumerilii dumerilli dunmalli dunni durheimi durissus dussumieri dwyeri eberhardti ebneri ecuadorensis edioi effraenis egbensis eiselti elapoides elaps elegans elegantissimus ellipsifer ellipsifera elongata elongatus emersoni emigdioi emmeli emoryi engaddensis engdahli enhydris enyo ephippifer epinephelus epistibes equatoriana eques eriwanensis erlangeri errabunda erythrogaster erythromelas erythrorhachis erythrura erythrurus erytrogramma espinali euryxanthus euryxanthus euryzona everetti exiguum exoletus exsul extenuatum eydouxii fallax fasciata fasciatus fasciolata fasciolatus fatsibe fausti favae feae ferox ferroni festae filiformis fischeri fiskii fissidens fitzingeri flagellum flammigerus flaviceps flavida flavifrenatus flavifrons flavigularis flavilata flavilineata flavipunctatum flavirufa flavitorques flavolineata flavolineatus flavomaculatus flavotorquata flavovirgatus flavoviridis flavozonatum florensis floridana florulentus fohy foliosquama fonsecai forbesi forcarti fordii formosanus formosensis formosus forsteni foxi franciscopaivi frangivirgatus freminvillei frenata frenatum frenatus frontalis fronticincta frontifasciatus fruhstorferi fucatus fugleri fulgidus fuliginoides fuliginosus fulviceps fulvicollis fulvius fulvivittatis fulvoguttatus fulvus funereum fusca fuscum fuscus gaboi gabonensis gabonica gaigeae gaimardi gambotensis gammiei gascae gasperetti gasperettii gastrosticus geayi geminatus gemmistratus gemonensis genimaculatus gentingensis geometricus gerardi gervaisii getula gezirae gigas gilvomaculata girardi girondica gloydi godmani goiasensis gokool goldii gomesi gorei goudoti gouldii grabowskyi gracile gracilis gracillima grahami grahamiae gramineus grandidieri grandis grandisquamis grandoculis grantii granulatus granuliceps grenadensis greyae ( = greyi ) griseiceps griswoldi groundwateri guangxiensis guentheri guentherii guerini guianensis guibei guineai guirali gumprechti guttata guttatus gyii haasi haemachatus haetiana hageni hagmanni hainanus haje hakkariensis hallbergi halmahericus halys hammondii hamptoni hanitschi hannah hannsteini hardwickii hardyi harriettae harteri hatori heathii hedigeri helena heliobelluomini hellmichi hemprichii hempsteadae hendersoni heraldica herminae hespere hesperia heterodermus heterolepidotus heterurus hexagonotus hexalepis hidalgoensis hildebrandti hilleniusi himalayanus hindii hippocrepis hirsuta hispida histricus hobartsmithi hodgsoni hoffmanni hogei hohenackeri hollinrakei holopelturus hoodensis hoogstraali hoplogaster horridus hortulanus hostilitractus hotamboeia hudsoni hughesi humayuni hussami huttoni hydroides hyoprora hypnale hypoconia hypomelas iarakaensis ibarrorum ibiboboca iglesiasi iheringi ijimae ikaheka imerinae immaculatus impensa imperfectus imperialis inaequifasciatus inas inca incerta incinctus incomptus incredibilis indica indistinctus infralineata inframacula infrasignatus infrataeniatus infrenalis ingeri ingrami innominata inopinae inornata inornatus insipidus insulamontana insulanus insularis intermedia intermedius intestinalis iridescens irregularis irroratum ishigakiense isozonus isthmicus itapetiningae iwasakii jacksonii jacobi jaculus jaegeri jagorii jallae jamesoni janaleeae janethae jani janii jansenii jaosoloa japonicus jara jararaca jararacussu jasoni jaspidea javanica javanicus jayakari jerdoni jerdonii jinggangensis jintakunei joanae joberti jogeri johannis johnii johnsoni joloensis jonathani josephscorteccii joynsoni juarezi juglandifer jugularis juliae juliai kanalchutchan kanburiensis kaouthia karanshahi karelini karlschmidti katangensis katiensis kaulbacki kaznakovi kelleri kelloggi kely kennedyi kerinciense khasiense khasiensis khosatskii kikuzatoi kinghorni kingii kinkelini kirtlandi kirtlandii klingi klossi kopsteini korros kraepelini krameri krefftii kuatunensis kuekenthali kundui kunmingensis labialis labiomaculatus laboutei lachrymans lacroixi lacteus laeve laevicollis laevis laevissimus lamari lamberti lanceolatus lancinii landoi lanei langeri langsdorffi lannomi lansbergii laoensis lapemoides laphystia largeni lasallei latasti laterale lateralis lateristriga lateritius laticaudata laticincta laticinctus laticollaris latifasciata latifasciatus latifii latifrons latifrontalis lativittatus latouchii laureata laurenti lautensis lava lavillai lebetina lecontei lehmanni leightoni leithii leleupi lemniscata lemniscatus lempira lentiferus lentiginosum leonardi leopardinus leopoldi lepidus leporinum leucobalia leucocephalus leucogaster leucomelas leucomystax leucostomus leucurus levantinus lichtensteini liebmanni limbatus limitaneus linearis lineata lineaticollis lineatum lineatus lineolatus lineomaculata linnaei lintoni lippiens littoralis livida lividus lojanus longicauda longicaudata longicaudatus longiceps longifrenis longifrons longinquus longissima longissimus longiventris lorentzi loriae lotievi loveridgei lowii lubricus lucilae lumbricoidea lumholtzi lungshenensis lunulatus lutrix luzonensis macclellandi macdougalli mackinnoni mackloti macrolepis macrops macrurus macularius maculata maculatus maculiceps maculiferus maculosa madagascariensis magnifica magnimaculatus mahfalensis mairii major malabaricus malaccanus malcolmi mamillaris mandalayensis mandarina mangshanensis manizalesensis manseri maradiensis marahuaquensis marajoensis marcapatae marcellae marchi marcianus margaritatus margaritiferis margaritiferus margaritophora margaritophorus mariselae martae martii maryellenae mastersii matannensis matogrossensis mattogrossensis maura mauritanica maxillaris maxwelli mayae maynardi mayottensis mcdougalli mcdowelli mcmahoni mcnamarae mecheli mechowii medemi ( = psyches medemi ) medici medoensis medus medusa megalocephala megalocephalus megalodon meiguensis melanauchen melaneus melanichnus melanocephala melanocephalus melanogaster melanogenys melanoleuca melanoleucus melanolomus melanosoma melanostigma melanota melanotropis melanotus melanozonatus melanurus melas meleagris mendax mentovarius meridanus meridensis ( = dissoleucus meridensis ) meridionalis merremi mertensi mertoni messanai metusium mexicana mexicanus meyerinkii micheli michellii michoacanensis microlepidota microlepidotus microlepis micropholis microphthalma microphthalmus microps microrhynchus mikanii miliaris miliarius mimus miniatus minimus minor miops mipartitus misimae miskitus mitchellii miyajimae miyatai mocquardi modesta modestum modestus moellendorffi moeruensis moesta moilensis molossus molurus monachus monensis monspessulanus montana montanum montanus montecristi monticola moojeni morai mormon morrisi mossambica mossambicanus mossambicus mouhoti mucosus mucrosquamatus muelleri mukutense multicincta multicinctus multifasciata multifasciatus multilineata multimaculata multimaculatus multipunctatus multiscutatus multiscutellatus multisquamatus multiventris multizonatus muriciensis murinus murudensis muta mutitorques mycterizans myersi naja najadum namibensis namibianum nanus narduccii nasalis nasicornis nasicus nasus nasuta nasutum nasutus natalensis natans natrix nattereri nauta nebularis nebulata nebulosus negrosensis neivai nepa nephrodrymus neuwiedi neuwiedii nevermanni ngansonensis nicagus nicefori niceforoi nicobariensis niger nigra nigrescens nigricaudus nigriceps nigricollis nigrilatum nigrilatus nigriventris nigrocincta nigrocinctus nigrofasciata nigroluteus nigromaculatum nigromarginatus nigrostriatus nigroterminata nigroviridis nikhili nikolskii ( or berus nikolskii ) ningshaanensis nitidus nitschei nivea notaeus notatum notospilus notostictus nototaenia novaeguineae nubiae nuchalis nummifer nyassae nympha oaxacae obesus oblectator obscurus obsoleta obtusirostris obtusus occidentalis occiduus occipitalis occipitoalbus occipitomaculata ocellatus ochracea ochraceus octolineatum octolineatus oculotemporalis oenpelliensis okinavensis olfersii oligoanellatus oligolepis oligostichus oligozonatus olivacea olivaceus oliveri olmec omanensis omiltemana omiltemanus oneilli oolitica ophryomegas optatum ordensis ordinoides oreas orestes orientale orientalis orlovi ornata ornaticeps ornatissima ornatum ornatus osbornei osmanhilli oursi oxiana oxycephalum oxyrhynchus pacaraimie pachecogili pachyura pacificus pahangensis pakaraima pakistanica palaestinae palarostris palavanensis pallida pallidiceps pallidus palmarum pamplonensis pantostictus papuana papuanus papuensis par paradisi paradoxus paraensis ( = psyches paraensis ) paraguayensis parallelum paravertebralis parishi parkeri parviceps parvifrons parviocula parvus pastazae patagoniensis paucicarinatus paucidens paucifasciatus paucimaculata pauciscutatus pavimentata pavonina pealii pegosalyta pelias percarinata percarinatus perfuscus perijanensis perineti peringueyi periops perkinsi perlacea peronii perroteti persica persicus persimilis perthensis peruana peruviana peruvianus petersi petersii petlalcalensis petola petronellae pfefferi phantasma philippii philippina philippinensis philippinum philippinus phillipsi phillipsii picadoi piceivittis pictei picturatus pictus pilonaorum pirajai piscator piscivorus pitmani planiceps platirhinos platurus platyceps plectovertebralis pleei plicatilis pliolepis plumbea plumbiceps plumbicolor poecilogyrus poecilonotus poecilopogon poensis poeppigi polylepis polystictus pontica pooleorum popei popeiorum porphyracea porphyriacus porrasi portoricensis posadasi potschi pradoi praefrontalis praelongus praemaxillaris praeornatus prakkei prasina pratti preussi prevostiana pricei problematicus procerum procterae proximans proximus pryeri psammophideus psammophis psephota pseudoalluaudi pseudocorallus pseudogranuliceps psyches publia pulcher pulcherrimus pulchra pulchriceps pulchrum pullatus pulveriventris pulverulenta pulverulentus punctata punctatolineatus punctatus punctiventris punctulatus puniceus purpurascens purpureomaculatus pusillus putnami putumayensis pyburni pygaea pygmaea pygmaeum pymi pyramidum pyromelana pyrrhocryptus pyrrhus quadrangulare quadricarinatus quadrilineatus quadrivirgata quadrivirgatus quatuorlineata quimi quincunciata quinquelineata quinquelineatus quinquevittatus quirogai rabdocephalus raddei radiata radix raffreyi ramirezi ramsayi ranawanei rappi ravergieri ravus rebentischi rechingeri redimitum redimitus reginae regius regularis reinhardtii relicta remotus ( = psyches remotus ) renardi renjifoi resimus resplendens reticulata reticulatus revoili rhadinaea rhinopoma rhinostoma rhodogaster rhodomelas rhodopleuron rhodorachis rhodostoma rhombeatus rhombifer rhombifera rhynchops ricardinii richardsonii ridgewayi riggenbachi rigida rijgersmaei riveroi riveti roatanensis robusta robustus rodhaini roedingeri rogerromani rogersi rohdei ronaldoi roperi rosaliae rosozonatum rossmani rostralis rothii roulei rowleyi ruatanus ruber rubescens rubida rubra rubricata rubriceps rubriventris rubropunctatus rudis rufescens rufipunctatus rufiventris rufodorsata rufozonatum rufulus rugosa rugosus ruhstrati rukwae rungweensis ruschenbergerii ruspator ruspolii russatus russelii rustica ruthveni rutilus sabahi sabiensis saengsomi sagittarius sagittifer sagittifera saharicus saintgironsi sallaei salomonis samarensis sanctaecrucis sanctaemartae sanctaeritae sanctijoannis sanctijohannis sandfordorum sangilensis sanguineum sanguineus sanguiventris sanniola santamartensis sarasinorum saravacense sarawacense sargenti sartorii sauritus sauteri savagei saxatilis scabra scalaris scaliger schach schaeferi schistorhynchus schistosa schistosum schlegeli schlegelii schmidti schmidtleri schneideri schokari schotti schoutedeni schrenckii schultzei schulzi schunkii schweizeri sclateri scortecci scorteccii scriptorcibatus scriptus scurrulus scutatus scutellatus scutiventris scutulatus scytalina sebae semiannulata semiannulatus semiannule semicarinatum semicarinatus semicincta semicinctum semicinctus semidoliatus semifasciata semifasciatus semiornatus semivariegatus semperi seoanei septemvittata septentrionalis serperastra serra serrana serranus sertaneja sertanejo sertula severus sexcarinatus sexlineatus seychellensis shawi shedaoensis shrevei shropshirei siamensis sibauensis sibilians sieboldi sieboldii sieversorum signata signatus silviae simile simonsii simplex simus sinai sindanus ( = walli ) sipedon sirtalis situla slavensi slevini slowinskii smaragdina smithi smythii sneiderni snelli snethlageae sochureki socotrae sokosoko solivagus somalica somalicus spectabilis spegazzinii spenceri spilogaster spilolepidotus spilota spinalis spiralis spixii splendida splendidus spurrelli sputatrix squamigera squamulosus stadelmani stanleyanus stanleyi statisticus steinbachi steindachneri stejnegeri stenophrys stenophthalmus stenorhynchus stephensii stewarti steyermarki stimsoni stokesii stolatum stoliczkae storerioides stormi stramineus strauchi streckeri striata striaticeps striatula striatus stricticollis strigatus strigilis stuarti stumpffi styani subannulatus subbicinctum subcarinatus subcinctus subflavus sublineatus subminiatus subocularis subpunctatus subradiata subtaeniatus sulphureus suluensis sumatrana sumatranus sumichrasti sundevalli sundevallii superbus superciliaris supernum supracincta surinamensis suta swazicus swinhonis tachymenoides taeniata taeniatum taeniatus taeniolatus taeniura taeniurus talamancae talonuran tamaulipensis tamessari tanahjampeana tancitarensis tanganicus tanyplectum tanzeri tapajonicus taphorni taprobanica tarascae tarmensis tataricus tau taxispilota taylori tayrae tchernovi tecta teitana templetoni temporalis tener tentaculatus tenuiceps tenuis tenuissima tenuissimus tessellata tessellatus texiguatensis textilis thalassinus thalesdelemai thanhi theobaldi therezieni tholloni thomasi thomensis thospitis tibetanus tigrinus tigris timoriensis tiwarii tokarensis tolpanorum tonkinensis tornieri torquata torquatum torquatus torrenicola tortugensis totonacus trachyprocta tracyae transvaalensis transversus trapei travancoricus triangularis trianguligerus triangulum triaspis tricolor trigeminus trigonata trigonatus trigonocephalus trigrammus trihedrurus trilineata trilineatum trilineatus trinasalis triscalis triseriata triseriatus tristis tristriatus tristrigatus tritaeniata tritaeniatus trivirgata trivittatus truncatus truongsonensis tschudii tsushimaensis tulearensis turgidus turikensis turneri tweediei typhlus typica typus tzotzilorum ulmeri underwoodi undulata undulatus unicolor unipostocularis univittatus uribei ursinii usambaricus ussuriensis uzungwense vagrans vagus vaillanti valeriae valida vanzolinii variabilis variegata variegatum variegatus varius vauerocegae veliferum venezuelanus venezuelensis venningi ventrimaculata ventrimaculatus ventromaculata ventromaculatus venustissimus venustus veraepacis vermiculata vermiculaticeps vermiformis vermis vernalis vernayi vertebralis vertebrolineatus vestigiata vibakari viguieri vincenti vinckei vinitor violacea vipera viperina